Fix trace test code

js/trace_test.ts

@@ -8,7 +8,7 @@ testPerm({ write: true }, async function traceFunctionSuccess() {
     // Mixing sync and async calls
     const filename = deno.makeTempDirSync() + "/test.txt";
     await deno.writeFile(filename, data, 0o666);
-    await deno.removeSync(filename);
+    deno.removeSync(filename);
   });
   assertEqual(op.length, 3);
   assertEqual(op[0], { sync: true, name: "MakeTempDir" });
@@ -25,7 +25,7 @@ testPerm({ write: true }, async function tracePromiseSuccess() {
     // Mixing sync and async calls
     const filename = deno.makeTempDirSync() + "/test.txt";
     await deno.writeFile(filename, data, 0o666);
-    await deno.removeSync(filename);
+    deno.removeSync(filename);
   };
   const promise = Promise.resolve().then(asyncFunction);
   const op = await deno.trace(promise);
@@ -39,7 +39,7 @@ testPerm({ write: true }, async function traceRepeatSuccess() {
   const op1 = await deno.trace(async () => await deno.makeTempDir());
   assertEqual(op1.length, 1);
   assertEqual(op1[0], { sync: false, name: "MakeTempDir" });
-  const op2 = await deno.trace(async () => await deno.statSync("."));
+  const op2 = await deno.trace(() => deno.statSync("."));
   assertEqual(op2.length, 1);
   assertEqual(op2[0], { sync: true, name: "Stat" });
 });
@@ -75,7 +75,7 @@ testPerm({ write: true }, async function traceIdempotence() {
   assertEqual(op3[0], { sync: false, name: "Remove" });
 
   // Expect top-level repeat still works after all the nestings
-  const op4 = await deno.trace(async () => await deno.statSync("."));
+  const op4 = await deno.trace(() => deno.statSync("."));
   assertEqual(op4.length, 1);
   assertEqual(op4[0], { sync: true, name: "Stat" });
 });